UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BbEWXevz8iFrIsgCztdqdbkEdLL9FIxta8uxtJupzXQ=' 
WHERE 
  key_id = '8956fdca00b137402b51fcf590eb7f34c7e7211de45fd534d844416488215de0' 
  AND (
    token = 'BbEWXevz8iFrIsgCztdqdbkEdLL9FIxta8uxtJupzXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )